#include<bits/stdc++.h>
using namespace std;

using ll = long long;

int main(){
    ll n; cin >> n;
    string ans = "";
    while (n > 1){
        if (n % 2 == 0){
            ans += '/';
            n /= 2;
        }
        else if (n % 4 == 1){
            ans += '+';
            n = 3 * n + 1;
        }
        else {
            ans += '-';
            n = 3 * n - 1;
        }
    }
    cout << ans.size() << endl;
    cout << ans << endl;
}